// Created by zyq on 2025/2/27.

#include "iostream"

using namespace std;

int main() {
    // 变量的声明和赋值
    int age;
    age = 10;

    cout << "age:" << age << endl;

    age = age - 5;
    cout << "age:" << age << endl;

    age = age - 2;
    cout << "age:" << age << endl;
}